2 * hostapd - Driver operations
3 * Copyright (c) 2009-2010, Jouni Malinen <j@w1.fi>
5 * This software may be distributed under the terms of the BSD license.
6 * See README for more details.
9 #include "utils/includes.h"
11 #include "utils/common.h"
12 #include "common/ieee802_11_defs.h"
13 #include "common/hw_features_common.h"
17 #include "ieee802_11.h"
19 #include "ap_config.h"
20 #include "p2p_hostapd.h"
22 #include "ap_drv_ops.h"
25 u32 hostapd_sta_flags_to_drv(u32 flags)
28 if (flags & WLAN_STA_AUTHORIZED)
29 res |= WPA_STA_AUTHORIZED;
30 if (flags & WLAN_STA_WMM)
32 if (flags & WLAN_STA_SHORT_PREAMBLE)
33 res |= WPA_STA_SHORT_PREAMBLE;
34 if (flags & WLAN_STA_MFP)
36 if (flags & WLAN_STA_AUTH)
37 res |= WPA_STA_AUTHENTICATED;
38 if (flags & WLAN_STA_ASSOC)
39 res |= WPA_STA_ASSOCIATED;
44 static int add_buf(struct wpabuf **dst, const struct wpabuf *src)
48 if (wpabuf_resize(dst, wpabuf_len(src)) != 0)
50 wpabuf_put_buf(*dst, src);
55 static int add_buf_data(struct wpabuf **dst, const u8 *data, size_t len)
59 if (wpabuf_resize(dst, len) != 0)
61 wpabuf_put_data(*dst, data, len);
66 int hostapd_build_ap_extra_ies(struct hostapd_data *hapd,
67 struct wpabuf **beacon_ret,
68 struct wpabuf **proberesp_ret,
69 struct wpabuf **assocresp_ret)
71 struct wpabuf *beacon = NULL, *proberesp = NULL, *assocresp = NULL;
74 *beacon_ret = *proberesp_ret = *assocresp_ret = NULL;
77 pos = hostapd_eid_time_adv(hapd, pos);
78 if (add_buf_data(&beacon, buf, pos - buf) < 0)
80 pos = hostapd_eid_time_zone(hapd, pos);
81 if (add_buf_data(&proberesp, buf, pos - buf) < 0)
85 pos = hostapd_eid_ext_capab(hapd, pos);
86 if (add_buf_data(&assocresp, buf, pos - buf) < 0)
88 pos = hostapd_eid_interworking(hapd, pos);
89 pos = hostapd_eid_adv_proto(hapd, pos);
90 pos = hostapd_eid_roaming_consortium(hapd, pos);
91 if (add_buf_data(&beacon, buf, pos - buf) < 0 ||
92 add_buf_data(&proberesp, buf, pos - buf) < 0)
96 if (add_buf(&beacon, hapd->iface->fst_ies) < 0 ||
97 add_buf(&proberesp, hapd->iface->fst_ies) < 0 ||
98 add_buf(&assocresp, hapd->iface->fst_ies) < 0)
100 #endif /* CONFIG_FST */
102 if (add_buf(&beacon, hapd->wps_beacon_ie) < 0 ||
103 add_buf(&proberesp, hapd->wps_probe_resp_ie) < 0)
107 if (add_buf(&beacon, hapd->p2p_beacon_ie) < 0 ||
108 add_buf(&proberesp, hapd->p2p_probe_resp_ie) < 0)
110 #endif /* CONFIG_P2P */
112 #ifdef CONFIG_P2P_MANAGER
113 if (hapd->conf->p2p & P2P_MANAGE) {
114 if (wpabuf_resize(&beacon, 100) == 0) {
116 start = wpabuf_put(beacon, 0);
117 p = hostapd_eid_p2p_manage(hapd, start);
118 wpabuf_put(beacon, p - start);
121 if (wpabuf_resize(&proberesp, 100) == 0) {
123 start = wpabuf_put(proberesp, 0);
124 p = hostapd_eid_p2p_manage(hapd, start);
125 wpabuf_put(proberesp, p - start);
128 #endif /* CONFIG_P2P_MANAGER */
131 if (hapd->conf->wps_state) {
132 struct wpabuf *a = wps_build_assoc_resp_ie();
133 add_buf(&assocresp, a);
136 #endif /* CONFIG_WPS */
138 #ifdef CONFIG_P2P_MANAGER
139 if (hapd->conf->p2p & P2P_MANAGE) {
140 if (wpabuf_resize(&assocresp, 100) == 0) {
142 start = wpabuf_put(assocresp, 0);
143 p = hostapd_eid_p2p_manage(hapd, start);
144 wpabuf_put(assocresp, p - start);
147 #endif /* CONFIG_P2P_MANAGER */
149 #ifdef CONFIG_WIFI_DISPLAY
150 if (hapd->p2p_group) {
152 a = p2p_group_assoc_resp_ie(hapd->p2p_group, P2P_SC_SUCCESS);
153 add_buf(&assocresp, a);
156 #endif /* CONFIG_WIFI_DISPLAY */
159 pos = hostapd_eid_hs20_indication(hapd, buf);
160 if (add_buf_data(&beacon, buf, pos - buf) < 0 ||
161 add_buf_data(&proberesp, buf, pos - buf) < 0)
164 pos = hostapd_eid_osen(hapd, buf);
165 if (add_buf_data(&beacon, buf, pos - buf) < 0 ||
166 add_buf_data(&proberesp, buf, pos - buf) < 0)
168 #endif /* CONFIG_HS20 */
171 if (hapd->conf->mbo_enabled) {
172 pos = hostapd_eid_mbo(hapd, buf, sizeof(buf));
173 if (add_buf_data(&beacon, buf, pos - buf) < 0 ||
174 add_buf_data(&proberesp, buf, pos - buf) < 0 ||
175 add_buf_data(&assocresp, buf, pos - buf) < 0)
178 #endif /* CONFIG_MBO */
180 add_buf(&beacon, hapd->conf->vendor_elements);
181 add_buf(&proberesp, hapd->conf->vendor_elements);
182 add_buf(&assocresp, hapd->conf->assocresp_elements);
184 *beacon_ret = beacon;
185 *proberesp_ret = proberesp;
186 *assocresp_ret = assocresp;
192 wpabuf_free(proberesp);
193 wpabuf_free(assocresp);
198 void hostapd_free_ap_extra_ies(struct hostapd_data *hapd,
199 struct wpabuf *beacon,
200 struct wpabuf *proberesp,
201 struct wpabuf *assocresp)
204 wpabuf_free(proberesp);
205 wpabuf_free(assocresp);
209 int hostapd_reset_ap_wps_ie(struct hostapd_data *hapd)
211 if (hapd->driver == NULL || hapd->driver->set_ap_wps_ie == NULL)
214 return hapd->driver->set_ap_wps_ie(hapd->drv_priv, NULL, NULL, NULL);
218 int hostapd_set_ap_wps_ie(struct hostapd_data *hapd)
220 struct wpabuf *beacon, *proberesp, *assocresp;
223 if (hapd->driver == NULL || hapd->driver->set_ap_wps_ie == NULL)
226 if (hostapd_build_ap_extra_ies(hapd, &beacon, &proberesp, &assocresp) <
230 ret = hapd->driver->set_ap_wps_ie(hapd->drv_priv, beacon, proberesp,
233 hostapd_free_ap_extra_ies(hapd, beacon, proberesp, assocresp);
239 int hostapd_set_authorized(struct hostapd_data *hapd,
240 struct sta_info *sta, int authorized)
243 return hostapd_sta_set_flags(hapd, sta->addr,
244 hostapd_sta_flags_to_drv(
246 WPA_STA_AUTHORIZED, ~0);
249 return hostapd_sta_set_flags(hapd, sta->addr,
250 hostapd_sta_flags_to_drv(sta->flags),
251 0, ~WPA_STA_AUTHORIZED);
255 int hostapd_set_sta_flags(struct hostapd_data *hapd, struct sta_info *sta)
257 int set_flags, total_flags, flags_and, flags_or;
258 total_flags = hostapd_sta_flags_to_drv(sta->flags);
259 set_flags = WPA_STA_SHORT_PREAMBLE | WPA_STA_WMM | WPA_STA_MFP;
260 if (((!hapd->conf->ieee802_1x && !hapd->conf->wpa) ||
261 sta->auth_alg == WLAN_AUTH_FT) &&
262 sta->flags & WLAN_STA_AUTHORIZED)
263 set_flags |= WPA_STA_AUTHORIZED;
264 flags_or = total_flags & set_flags;
265 flags_and = total_flags | ~set_flags;
266 return hostapd_sta_set_flags(hapd, sta->addr, total_flags,
267 flags_or, flags_and);
271 int hostapd_set_drv_ieee8021x(struct hostapd_data *hapd, const char *ifname,
274 struct wpa_bss_params params;
275 os_memset(¶ms, 0, sizeof(params));
276 params.ifname = ifname;
277 params.enabled = enabled;
279 params.wpa = hapd->conf->wpa;
280 params.ieee802_1x = hapd->conf->ieee802_1x;
281 params.wpa_group = hapd->conf->wpa_group;
282 if ((hapd->conf->wpa & (WPA_PROTO_WPA | WPA_PROTO_RSN)) ==
283 (WPA_PROTO_WPA | WPA_PROTO_RSN))
284 params.wpa_pairwise = hapd->conf->wpa_pairwise |
285 hapd->conf->rsn_pairwise;
286 else if (hapd->conf->wpa & WPA_PROTO_RSN)
287 params.wpa_pairwise = hapd->conf->rsn_pairwise;
288 else if (hapd->conf->wpa & WPA_PROTO_WPA)
289 params.wpa_pairwise = hapd->conf->wpa_pairwise;
290 params.wpa_key_mgmt = hapd->conf->wpa_key_mgmt;
291 params.rsn_preauth = hapd->conf->rsn_preauth;
292 #ifdef CONFIG_IEEE80211W
293 params.ieee80211w = hapd->conf->ieee80211w;
294 #endif /* CONFIG_IEEE80211W */
296 return hostapd_set_ieee8021x(hapd, ¶ms);
300 int hostapd_vlan_if_add(struct hostapd_data *hapd, const char *ifname)
302 char force_ifname[IFNAMSIZ];
303 u8 if_addr[ETH_ALEN];
304 return hostapd_if_add(hapd, WPA_IF_AP_VLAN, ifname, hapd->own_addr,
305 NULL, NULL, force_ifname, if_addr, NULL, 0);
309 int hostapd_vlan_if_remove(struct hostapd_data *hapd, const char *ifname)
311 return hostapd_if_remove(hapd, WPA_IF_AP_VLAN, ifname);
315 int hostapd_set_wds_sta(struct hostapd_data *hapd, char *ifname_wds,
316 const u8 *addr, int aid, int val)
318 const char *bridge = NULL;
320 if (hapd->driver == NULL || hapd->driver->set_wds_sta == NULL)
322 if (hapd->conf->wds_bridge[0])
323 bridge = hapd->conf->wds_bridge;
324 else if (hapd->conf->bridge[0])
325 bridge = hapd->conf->bridge;
326 return hapd->driver->set_wds_sta(hapd->drv_priv, addr, aid, val,
331 int hostapd_add_sta_node(struct hostapd_data *hapd, const u8 *addr,
334 if (hapd->driver == NULL || hapd->driver->add_sta_node == NULL)
336 return hapd->driver->add_sta_node(hapd->drv_priv, addr, auth_alg);
340 int hostapd_sta_auth(struct hostapd_data *hapd, const u8 *addr,
341 u16 seq, u16 status, const u8 *ie, size_t len)
343 if (hapd->driver == NULL || hapd->driver->sta_auth == NULL)
345 return hapd->driver->sta_auth(hapd->drv_priv, hapd->own_addr, addr,
346 seq, status, ie, len);
350 int hostapd_sta_assoc(struct hostapd_data *hapd, const u8 *addr,
351 int reassoc, u16 status, const u8 *ie, size_t len)
353 if (hapd->driver == NULL || hapd->driver->sta_assoc == NULL)
355 return hapd->driver->sta_assoc(hapd->drv_priv, hapd->own_addr, addr,
356 reassoc, status, ie, len);
360 int hostapd_sta_add(struct hostapd_data *hapd,
361 const u8 *addr, u16 aid, u16 capability,
362 const u8 *supp_rates, size_t supp_rates_len,
364 const struct ieee80211_ht_capabilities *ht_capab,
365 const struct ieee80211_vht_capabilities *vht_capab,
366 u32 flags, u8 qosinfo, u8 vht_opmode, int supp_p2p_ps,
369 struct hostapd_sta_add_params params;
371 if (hapd->driver == NULL)
373 if (hapd->driver->sta_add == NULL)
376 os_memset(¶ms, 0, sizeof(params));
379 params.capability = capability;
380 params.supp_rates = supp_rates;
381 params.supp_rates_len = supp_rates_len;
382 params.listen_interval = listen_interval;
383 params.ht_capabilities = ht_capab;
384 params.vht_capabilities = vht_capab;
385 params.vht_opmode_enabled = !!(flags & WLAN_STA_VHT_OPMODE_ENABLED);
386 params.vht_opmode = vht_opmode;
387 params.flags = hostapd_sta_flags_to_drv(flags);
388 params.qosinfo = qosinfo;
389 params.support_p2p_ps = supp_p2p_ps;
391 return hapd->driver->sta_add(hapd->drv_priv, ¶ms);
395 int hostapd_add_tspec(struct hostapd_data *hapd, const u8 *addr,
396 u8 *tspec_ie, size_t tspec_ielen)
398 if (hapd->driver == NULL || hapd->driver->add_tspec == NULL)
400 return hapd->driver->add_tspec(hapd->drv_priv, addr, tspec_ie,
405 int hostapd_set_privacy(struct hostapd_data *hapd, int enabled)
407 if (hapd->driver == NULL || hapd->driver->set_privacy == NULL)
409 return hapd->driver->set_privacy(hapd->drv_priv, enabled);
413 int hostapd_set_generic_elem(struct hostapd_data *hapd, const u8 *elem,
416 if (hapd->driver == NULL || hapd->driver->set_generic_elem == NULL)
418 return hapd->driver->set_generic_elem(hapd->drv_priv, elem, elem_len);
422 int hostapd_get_ssid(struct hostapd_data *hapd, u8 *buf, size_t len)
424 if (hapd->driver == NULL || hapd->driver->hapd_get_ssid == NULL)
426 return hapd->driver->hapd_get_ssid(hapd->drv_priv, buf, len);
430 int hostapd_set_ssid(struct hostapd_data *hapd, const u8 *buf, size_t len)
432 if (hapd->driver == NULL || hapd->driver->hapd_set_ssid == NULL)
434 return hapd->driver->hapd_set_ssid(hapd->drv_priv, buf, len);
438 int hostapd_if_add(struct hostapd_data *hapd, enum wpa_driver_if_type type,
439 const char *ifname, const u8 *addr, void *bss_ctx,
440 void **drv_priv, char *force_ifname, u8 *if_addr,
441 const char *bridge, int use_existing)
443 if (hapd->driver == NULL || hapd->driver->if_add == NULL)
445 return hapd->driver->if_add(hapd->drv_priv, type, ifname, addr,
446 bss_ctx, drv_priv, force_ifname, if_addr,
447 bridge, use_existing, 1);
451 int hostapd_if_remove(struct hostapd_data *hapd, enum wpa_driver_if_type type,
454 if (hapd->driver == NULL || hapd->drv_priv == NULL ||
455 hapd->driver->if_remove == NULL)
457 return hapd->driver->if_remove(hapd->drv_priv, type, ifname);
461 int hostapd_set_ieee8021x(struct hostapd_data *hapd,
462 struct wpa_bss_params *params)
464 if (hapd->driver == NULL || hapd->driver->set_ieee8021x == NULL)
466 return hapd->driver->set_ieee8021x(hapd->drv_priv, params);
470 int hostapd_get_seqnum(const char *ifname, struct hostapd_data *hapd,
471 const u8 *addr, int idx, u8 *seq)
473 if (hapd->driver == NULL || hapd->driver->get_seqnum == NULL)
475 return hapd->driver->get_seqnum(ifname, hapd->drv_priv, addr, idx,
480 int hostapd_flush(struct hostapd_data *hapd)
482 if (hapd->driver == NULL || hapd->driver->flush == NULL)
484 return hapd->driver->flush(hapd->drv_priv);
488 int hostapd_set_freq(struct hostapd_data *hapd, enum hostapd_hw_mode mode,
489 int freq, int channel, int ht_enabled, int vht_enabled,
490 int sec_channel_offset, int vht_oper_chwidth,
491 int center_segment0, int center_segment1)
493 struct hostapd_freq_params data;
495 if (hostapd_set_freq_params(&data, mode, freq, channel, ht_enabled,
496 vht_enabled, sec_channel_offset,
498 center_segment0, center_segment1,
499 hapd->iface->current_mode ?
500 hapd->iface->current_mode->vht_capab : 0))
503 if (hapd->driver == NULL)
505 if (hapd->driver->set_freq == NULL)
507 return hapd->driver->set_freq(hapd->drv_priv, &data);
510 int hostapd_set_rts(struct hostapd_data *hapd, int rts)
512 if (hapd->driver == NULL || hapd->driver->set_rts == NULL)
514 return hapd->driver->set_rts(hapd->drv_priv, rts);
518 int hostapd_set_frag(struct hostapd_data *hapd, int frag)
520 if (hapd->driver == NULL || hapd->driver->set_frag == NULL)
522 return hapd->driver->set_frag(hapd->drv_priv, frag);
526 int hostapd_sta_set_flags(struct hostapd_data *hapd, u8 *addr,
527 int total_flags, int flags_or, int flags_and)
529 if (hapd->driver == NULL || hapd->driver->sta_set_flags == NULL)
531 return hapd->driver->sta_set_flags(hapd->drv_priv, addr, total_flags,
532 flags_or, flags_and);
536 int hostapd_set_country(struct hostapd_data *hapd, const char *country)
538 if (hapd->driver == NULL ||
539 hapd->driver->set_country == NULL)
541 return hapd->driver->set_country(hapd->drv_priv, country);
545 int hostapd_set_tx_queue_params(struct hostapd_data *hapd, int queue, int aifs,
546 int cw_min, int cw_max, int burst_time)
548 if (hapd->driver == NULL || hapd->driver->set_tx_queue_params == NULL)
550 return hapd->driver->set_tx_queue_params(hapd->drv_priv, queue, aifs,
551 cw_min, cw_max, burst_time);
555 struct hostapd_hw_modes *
556 hostapd_get_hw_feature_data(struct hostapd_data *hapd, u16 *num_modes,
559 if (hapd->driver == NULL ||
560 hapd->driver->get_hw_feature_data == NULL)
562 return hapd->driver->get_hw_feature_data(hapd->drv_priv, num_modes,
567 int hostapd_driver_commit(struct hostapd_data *hapd)
569 if (hapd->driver == NULL || hapd->driver->commit == NULL)
571 return hapd->driver->commit(hapd->drv_priv);
575 int hostapd_drv_none(struct hostapd_data *hapd)
577 return hapd->driver && os_strcmp(hapd->driver->name, "none") == 0;
581 int hostapd_driver_scan(struct hostapd_data *hapd,
582 struct wpa_driver_scan_params *params)
584 if (hapd->driver && hapd->driver->scan2)
585 return hapd->driver->scan2(hapd->drv_priv, params);
590 struct wpa_scan_results * hostapd_driver_get_scan_results(
591 struct hostapd_data *hapd)
593 if (hapd->driver && hapd->driver->get_scan_results2)
594 return hapd->driver->get_scan_results2(hapd->drv_priv);
599 int hostapd_driver_set_noa(struct hostapd_data *hapd, u8 count, int start,
602 if (hapd->driver && hapd->driver->set_noa)
603 return hapd->driver->set_noa(hapd->drv_priv, count, start,
609 int hostapd_drv_set_key(const char *ifname, struct hostapd_data *hapd,
610 enum wpa_alg alg, const u8 *addr,
611 int key_idx, int set_tx,
612 const u8 *seq, size_t seq_len,
613 const u8 *key, size_t key_len)
615 if (hapd->driver == NULL || hapd->driver->set_key == NULL)
617 return hapd->driver->set_key(ifname, hapd->drv_priv, alg, addr,
618 key_idx, set_tx, seq, seq_len, key,
623 int hostapd_drv_send_mlme(struct hostapd_data *hapd,
624 const void *msg, size_t len, int noack)
626 if (!hapd->driver || !hapd->driver->send_mlme || !hapd->drv_priv)
628 return hapd->driver->send_mlme(hapd->drv_priv, msg, len, noack, 0,
633 int hostapd_drv_send_mlme_csa(struct hostapd_data *hapd,
634 const void *msg, size_t len, int noack,
635 const u16 *csa_offs, size_t csa_offs_len)
637 if (hapd->driver == NULL || hapd->driver->send_mlme == NULL)
639 return hapd->driver->send_mlme(hapd->drv_priv, msg, len, noack, 0,
640 csa_offs, csa_offs_len);
644 int hostapd_drv_sta_deauth(struct hostapd_data *hapd,
645 const u8 *addr, int reason)
647 if (!hapd->driver || !hapd->driver->sta_deauth || !hapd->drv_priv)
649 return hapd->driver->sta_deauth(hapd->drv_priv, hapd->own_addr, addr,
654 int hostapd_drv_sta_disassoc(struct hostapd_data *hapd,
655 const u8 *addr, int reason)
657 if (!hapd->driver || !hapd->driver->sta_disassoc || !hapd->drv_priv)
659 return hapd->driver->sta_disassoc(hapd->drv_priv, hapd->own_addr, addr,
664 int hostapd_drv_wnm_oper(struct hostapd_data *hapd, enum wnm_oper oper,
665 const u8 *peer, u8 *buf, u16 *buf_len)
667 if (hapd->driver == NULL || hapd->driver->wnm_oper == NULL)
669 return hapd->driver->wnm_oper(hapd->drv_priv, oper, peer, buf,
674 int hostapd_drv_send_action(struct hostapd_data *hapd, unsigned int freq,
675 unsigned int wait, const u8 *dst, const u8 *data,
679 const u8 wildcard_bssid[ETH_ALEN] = {
680 0xff, 0xff, 0xff, 0xff, 0xff, 0xff
683 if (!hapd->driver || !hapd->driver->send_action || !hapd->drv_priv)
685 bssid = hapd->own_addr;
686 if (!is_multicast_ether_addr(dst) &&
687 len > 0 && data[0] == WLAN_ACTION_PUBLIC) {
688 struct sta_info *sta;
691 * Public Action frames to a STA that is not a member of the BSS
692 * shall use wildcard BSSID value.
694 sta = ap_get_sta(hapd, dst);
695 if (!sta || !(sta->flags & WLAN_STA_ASSOC))
696 bssid = wildcard_bssid;
698 return hapd->driver->send_action(hapd->drv_priv, freq, wait, dst,
699 hapd->own_addr, bssid, data, len, 0);
703 int hostapd_drv_send_action_addr3_ap(struct hostapd_data *hapd,
705 unsigned int wait, const u8 *dst,
706 const u8 *data, size_t len)
708 if (hapd->driver == NULL || hapd->driver->send_action == NULL)
710 return hapd->driver->send_action(hapd->drv_priv, freq, wait, dst,
711 hapd->own_addr, hapd->own_addr, data,
716 int hostapd_start_dfs_cac(struct hostapd_iface *iface,
717 enum hostapd_hw_mode mode, int freq,
718 int channel, int ht_enabled, int vht_enabled,
719 int sec_channel_offset, int vht_oper_chwidth,
720 int center_segment0, int center_segment1)
722 struct hostapd_data *hapd = iface->bss[0];
723 struct hostapd_freq_params data;
726 if (!hapd->driver || !hapd->driver->start_dfs_cac)
729 if (!iface->conf->ieee80211h) {
730 wpa_printf(MSG_ERROR, "Can't start DFS CAC, DFS functionality "
735 if (hostapd_set_freq_params(&data, mode, freq, channel, ht_enabled,
736 vht_enabled, sec_channel_offset,
737 vht_oper_chwidth, center_segment0,
739 iface->current_mode->vht_capab)) {
740 wpa_printf(MSG_ERROR, "Can't set freq params");
744 res = hapd->driver->start_dfs_cac(hapd->drv_priv, &data);
746 iface->cac_started = 1;
747 os_get_reltime(&iface->dfs_cac_start);
754 int hostapd_drv_set_qos_map(struct hostapd_data *hapd,
755 const u8 *qos_map_set, u8 qos_map_set_len)
757 if (!hapd->driver || !hapd->driver->set_qos_map || !hapd->drv_priv)
759 return hapd->driver->set_qos_map(hapd->drv_priv, qos_map_set,
764 static void hostapd_get_hw_mode_any_channels(struct hostapd_data *hapd,
765 struct hostapd_hw_modes *mode,
771 for (i = 0; i < mode->num_channels; i++) {
772 struct hostapd_channel_data *chan = &mode->channels[i];
774 if ((acs_ch_list_all ||
775 freq_range_list_includes(&hapd->iface->conf->acs_ch_list,
777 !(chan->flag & HOSTAPD_CHAN_DISABLED))
778 int_array_add_unique(freq_list, chan->freq);
783 void hostapd_get_ext_capa(struct hostapd_iface *iface)
785 struct hostapd_data *hapd = iface->bss[0];
787 if (!hapd->driver || !hapd->driver->get_ext_capab)
790 hapd->driver->get_ext_capab(hapd->drv_priv, WPA_IF_AP_BSS,
791 &iface->extended_capa,
792 &iface->extended_capa_mask,
793 &iface->extended_capa_len);
797 int hostapd_drv_do_acs(struct hostapd_data *hapd)
799 struct drv_acs_params params;
800 int ret, i, acs_ch_list_all = 0;
802 unsigned int num_channels = 0;
803 struct hostapd_hw_modes *mode;
804 int *freq_list = NULL;
806 if (hapd->driver == NULL || hapd->driver->do_acs == NULL)
809 os_memset(¶ms, 0, sizeof(params));
810 params.hw_mode = hapd->iface->conf->hw_mode;
813 * If no chanlist config parameter is provided, include all enabled
814 * channels of the selected hw_mode.
816 if (!hapd->iface->conf->acs_ch_list.num)
819 mode = hapd->iface->current_mode;
821 channels = os_malloc(mode->num_channels);
822 if (channels == NULL)
825 for (i = 0; i < mode->num_channels; i++) {
826 struct hostapd_channel_data *chan = &mode->channels[i];
827 if (!acs_ch_list_all &&
828 !freq_range_list_includes(
829 &hapd->iface->conf->acs_ch_list,
832 if (!(chan->flag & HOSTAPD_CHAN_DISABLED)) {
833 channels[num_channels++] = chan->chan;
834 int_array_add_unique(&freq_list, chan->freq);
838 for (i = 0; i < hapd->iface->num_hw_features; i++) {
839 mode = &hapd->iface->hw_features[i];
840 hostapd_get_hw_mode_any_channels(hapd, mode,
846 params.ch_list = channels;
847 params.ch_list_len = num_channels;
848 params.freq_list = freq_list;
850 params.ht_enabled = !!(hapd->iface->conf->ieee80211n);
851 params.ht40_enabled = !!(hapd->iface->conf->ht_capab &
852 HT_CAP_INFO_SUPP_CHANNEL_WIDTH_SET);
853 params.vht_enabled = !!(hapd->iface->conf->ieee80211ac);
854 params.ch_width = 20;
855 if (hapd->iface->conf->ieee80211n && params.ht40_enabled)
856 params.ch_width = 40;
858 /* Note: VHT20 is defined by combination of ht_capab & vht_oper_chwidth
860 if (hapd->iface->conf->ieee80211ac && params.ht40_enabled) {
861 if (hapd->iface->conf->vht_oper_chwidth == VHT_CHANWIDTH_80MHZ)
862 params.ch_width = 80;
863 else if (hapd->iface->conf->vht_oper_chwidth ==
864 VHT_CHANWIDTH_160MHZ ||
865 hapd->iface->conf->vht_oper_chwidth ==
866 VHT_CHANWIDTH_80P80MHZ)
867 params.ch_width = 160;
870 ret = hapd->driver->do_acs(hapd->drv_priv, ¶ms);